Home / 18,728.19-25,844.90-10,770.24

Finding the Fourth Proportional to 18,728.19, 25,844.90 and 10,770.24

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Solution

The fourth proportional to 18,728.19, 25,844.90 and 10,770.24 is: 14,862.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,728.19 : 25,844.90 = 10,770.24 : x
  2. Step 2: Convert to fraction form
    18,728.19/25,844.90 = 10,770.24/x
  3. Step 3: Cross multiply
    18,728.19x = 25,844.90 × 10,770.24
  4. Step 4: Simplify right side
    18,728.19x = 278,355,775.78
  5. Step 5: Solve for x
    x = 278,355,775.78/18,728.19
  6. Step 6: Final answer
    x = 14,862.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.